00483naa#a2200169#i#450# EN\\bibl\101624 20251102081045.7 2588-0209 20250425b2025####ek#y0engy0150####ca RU APPLICATION OF NEURAL NETWORK CLUSTER ANALYSIS METHODS IN ECONOMICS Journal article Moscow Electronic science 2025 0 с. Journal article local Anciferova O. Yu. Kolotova A. S. mshj.ru